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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Irregular heartbeats
arrhythmias
SA node
closure of the valves
myocardium
2. Changes in blood pressure are detected by
60-80
closure of the valves
pressoreceptors in teh carotid and aortic sinuses
supply the heart with oxygenated blood
3. Cardiac muscle tissue
bundle of His...
myocardium
stroke volume
stenosis...
4. Narrowing of a valve
medulla
stenosis...
ischemia
bicuspid valve
5. First part of the cardia conduction pathway in teh ventircles
prevent friction as the heart beats
medulla
right and left atria
bundle of His...
6. Natural pacemaker of the heart
SA node
medulla
systole
vagus nerves
7. Relaxation of chambers of the heart
diastole
pressoreceptors in teh carotid and aortic sinuses
myocardium
right and left atria
8. Electical activity of the heart may be depicted in an
ECG
atrium
vagus nerves
endocardium
9. Part of the myocardium is deprived of its blood supply and becomes ______
cardiac output
bicuspid valve
supply the heart with oxygenated blood
ischemia
10. Veins that return blood to the right atrium
tricuspid valve
bradycardia
superior and inferior caval veins
epicardium
11. Relaxation
closure of the valves
right and left atria
diastole
aorta
12. Visceral pericardium
epicardium
fibrullation
mediastinum
aorta
13. 1st branches of teh ascending aorta
aorta
SA node
coronary arteries
stenosis...
14. Largest artery of the body
diastole
bundle of His...
fibrous epicardium
aorta
15. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
cardiac cycle
closure of the valves
sodium ions and water
ischemia
16. Contraction of chambers of the heart
systole
mediastinum
coronary arteries
vagus nerves
17. Normal range of heart rate for a healthy adult is _____ bpm
venous return
right and left atria
systole
60-80
18. Nerves that transmit impulses to decrease the heart rate are the ____
bicuspid valve
vagus nerves
systole
supply the heart with oxygenated blood
19. Purpose of teh coronary vessels
vagus nerves
supply the heart with oxygenated blood
is smooth to prevent abnormal clotting within the heart
aorta
20. Prevents backflow of blood from the left ventricle to the left atrium
diastole
bicuspid valve
atrium
coronary arteries
21. Vessel into which the left ventricle pumps blood
stroke volume
aorta
arrhythmias
atrium
22. Amount of blood pumped by a ventricle in 1 minute
medulla
endocardium
cardiac output
fibrous epicardium
23. Endocardium lines the chambers of the heart
myocardium
aorta
systole
is smooth to prevent abnormal clotting within the heart
24. Outermost of the pericardial membranes
right and left atria
fibrous epicardium
is smooth to prevent abnormal clotting within the heart
systole
25. The centers that regulate heart rate located in the___
medulla
sodium ions and water
prevent friction as the heart beats
right and left atria
26. Contraction
coronary arteries
myocardium
systole
right and left atria
27. Funciton of the serous fluid of teh pericardial membranes
fibrous epicardium
venous return
ECG
prevent friction as the heart beats
28. Coronary sinus receives blood directly from this
aorta
epicardium
coronary veins
ECG
29. Each normal heartbeat is initiated by this
SA node
bradycardia
myocardium
venous return
30. Backflow o fblood from the arteries to the ventricles is prevented by these
cardiac cycle
aortic and pulmonary semilunar valves
pressoreceptors in teh carotid and aortic sinuses
ischemia
31. Upper chamber of the heart
closure of the valves
tricuspid valve
atrium
SA node
32. Area in the thoracic cavity between the lungs
mediastinum
cardiac cycle
prevent friction as the heart beats
supply the heart with oxygenated blood
33. Sequence of events in one heartbeat
aorta
aorta
cardiac cycle
SA node
34. Heart rate below 60 bpm
systole
coronary arteries
diastole
bradycardia
35. Difference between resting cardiac output adn maximum exercise cardiac output
aorta
epicardium
cardiac reserve
systole
36. The chambers of teh heart that receive blood from the veins
stroke volume
systole
cardiac reserve
right and left atria
37. Very rapid and uncoordinated ventricular beat
medulla
arrhythmias
bicuspid valve
fibrullation
38. Amount of blood pumped by a ventricle per beat
bicuspid valve
stroke volume
systole
cardiac output
39. Heart chambers are lined with this
medial to the lungs and superior to the diaphragm
endocardium
tricuspid valve
closure of the valves
40. The amount of blood that returns to teh heart
endocardium
venous return
closure of the valves
aorta
41. Heart is located here
medial to the lungs and superior to the diaphragm
bradycardia
aorta
bicuspid valve
42. Normal heart sounds are caused by
aortic and pulmonary semilunar valves
closure of the valves
systole
is smooth to prevent abnormal clotting within the heart
43. Prevents backflow of blood from teh right ventricle to the right atrium
sodium ions and water
bradycardia
medial to the lungs and superior to the diaphragm
tricuspid valve